function newImage(arg) {
if (document.images) {
rslt = new Image();
rslt.src = arg;
return rslt;
}
}

function changeImages() {
if (document.images && (preloadFlag == true)) {
for (var i=0; i<changeImages.arguments.length; i+=2) {
document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
}
}
}

var preloadFlag = false;
function preloadImages() {
if (document.images) {
tried_horses_over = newImage("images/tried_horses-over.gif");
mares_over = newImage("images/mares-over.gif");
mares_tried_horses_over = newImage("images/mares-tried_horses_over.gif");
buy_a_tried_horse_mares_over = newImage("images/buy_a_tried_horse-mares_ove.gif");
buy_a_tried_horse_over = newImage("images/buy_a_tried_horse-over.gif");
sell_a_horse_buy_a_tried_horse_over = newImage("images/sell_a_horse-buy_a_tried_ho.gif");
sell_a_horse_over = newImage("images/sell_a_horse-over.gif");
pedigree_matings_sell_a_horse_over = newImage("images/pedigree_matings-sell_a_hor.gif");
pedigree_matings_over = newImage("images/pedigree_matings-over.gif");
contact_us_over = newImage("images/contact_us-over.gif");
preloadFlag = true;
}
}